Answer:
dumping of wastewater is an example of water polution.
Explanation:
water polution is when an alienated foreign contaminent is put into a water source either intentionally or accidentally
Polar bears float on ice floes to hunt for food.
Answer:
False
Explanation:
It is wrong to claim that when the attraction between particles overcomes their motion, the particles will clump together to boil.
During boiling particles do no clump together, they tend to move apart more rapidly.
- Boiling occurs when the vapor pressure overcomes the ambient atmospheric pressure.
- The hotter part of the boiler close the heat source moves rapidly away because they have become less dense.
- The colder and denser part sinks and this interaction sets up a convection cell.
Answer:
Its the first second and the fourth
Reaction Rate is the rate at which a substance undergoes a chemical change.
